tests/modbus/modbus_0@modbus/ModbusTCPclient_0@ModbusTCPclient/ModbusRequest_1@ModbusRequest/confnode.xml
Preliminary support for WxPython 4.1.0. Needs more testing. Grid selection/focus seems broken, and probably many other bugs hidden in dialogs and editors.
<?xml version='1.0' encoding='utf-8'?>
<ModbusRequest xmlns:xsd="http://www.w3.org/2001/XMLSchema" Function="04 - Read Input Registers" SlaveID="0" Start_Address="0"/>